Studies on the original plants of the traditional drug haifengteng: comparative studies between piper hancei Maxim. var hancei Maxim. and piper hancei Maxim. var. squamiglanduferum Fan
Fan, S.T.; Su, Z.W.; Li, C.G.
Yao Xue Xue Bao 23(12): 944-952
1988
ISSN/ISBN: 0513-4870 PMID: 3256194 Document Number: 315111
The results of a literature review, studies of plant morphology and histology, and chemical studies which identified the components of the essential oils (28 of which were recorded for the first time in the genus Piper), provided evidence that P. hancei var. squamiglanduferum (often considered to be P. hancei var. hancei) has obvious differences to P. hancei var. hancei. P. hancei var. squamiglanduferum has glandular scales on the adaxial surface of the leaves; it is the only Piper sp. reported to have these scales.